// 云函数入口文件
const cloud = require('wx-server-sdk')

cloud.init()
const db = cloud.database()
const _ = db.command
// 云函数入口函数
exports.main = async (event, context) => {
  return await db.collection('story')
    .where({
      tag: _.in(event.tag)
    })
    .skip(event.skip)
    .limit(5)
    .orderBy('time', "desc")
    .get()
}